fix(deps): update dependency commander to version 2.20.0 🌟

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
commander	dependencies	minor	2.15.1 -> 2.20.0

---

Release Notes

tj/commander.js

v2.20.0

Compare Source

==================

• fix: resolve symbolic links completely when hunting for subcommands (#​935)
• Update index.d.ts (#​930)
• Update Readme.md (#​924)
• Remove --save option as it isn't required anymore (#​918)
• Add link to the license file (#​900)
• Added example of receiving args from options (#​858)
• Added missing semicolon (#​882)
• Add extension to .eslintrc (#​876)

v2.19.0

Compare Source

==================

• Removed newline after Options and Commands headers (#​864)
• Bugfix - Error output (#​862)
• Fix to change default value to string (#​856)

v2.18.0

Compare Source

==================

• Standardize help output (#​853)
• chmod 644 travis.yml (#​851)
• add support for execute typescript subcommand via ts-node (#​849)

v2.17.1

Compare Source

==================

• Fix bug in command emit (#​844)

v2.17.0

Compare Source

==================

• fixed newline output after help information (#​833)
• Fix to emit the action even without command (#​778)
• npm update (#​823)

v2.16.0

Compare Source

==================

• Remove Makefile and test/run (#​821)
• Make 'npm test' run on Windows (#​820)
• Add badge to display install size (#​807)
• chore: cache node_modules (#​814)
• chore: remove Node.js 4 (EOL), add Node.js 10 (#​813)
• fixed typo in readme (#​812)
• Fix types (#​804)
• Update eslint to resolve vulnerabilities in lodash (#​799)
• updated readme with custom event listeners. (#​791)
• fix tests (#​794)

---

Renovate configuration

📅 Schedule: "before 3am on the first day of the month" in timezone America/New_York.

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻️ Rebasing: Whenever PR becomes conflicted, or if you modify the PR title to begin with "rebase!".

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Renovate Bot. View repository job log here.

[jennifer-shehane]

Close in favor of #4226

[renovate]

Renovate Ignore Notification

As this PR has been closed unmerged, Renovate will now ignore this update (2.20.0). You will still receive a PR once a newer version is released, so if you wish to permanently ignore this dependency, please add it to the ignoreDeps array of your renovate config.

If this PR was closed by mistake or you changed your mind, you can simply rename this PR and you will soon get a fresh replacement PR opened.